/Engine/Source/Runtime/Core/Public/Internationalization/StringTableCore.h
Set the meta-data with the given ID associated with the given entry
void SetMetaData ( const [FTextKey](API\Runtime\Core\Internationalization\FTextKey) & InKey, const [FName](API\Runtime\Core\UObject\FName) InMetaDataId, const [FString](API\Runtime\Core\Containers\FString) & InMetaDataValue )